1. Dynamics of soil organic matter within crusting Bridgnorth series soils;Aitchison,1989
2. Soil erosion: the answer lies in organic farming;Arden-Clarke;New Scientist,1987
3. Loss-on-ignition as an estimate of organic matter and organic carbon in non-calcareous soils;Ball;Journal of Soil Science,1964
4. Soil Physics;Baver,1956
5. Soil erosion climatic vagary and agricultural change on the Downs around Lewes and Brighton, autumn 1982;Boardman;Applied Geography,1985